CDOViewInvalidationEvent.java

/*
 * Copyright (c) 2009-2012, 2014, 2015 Eike Stepper (Berlin, Germany) and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Simon McDuff - initial API and implementation
 *    Eike Stepper - maintenance
 */
package org.eclipse.emf.cdo.view;

import org.eclipse.emf.cdo.CDOInvalidationNotification;
import org.eclipse.emf.cdo.CDOObject;
import org.eclipse.emf.cdo.common.revision.delta.CDORevisionDelta;
import org.eclipse.emf.cdo.common.util.CDOTimeProvider;
import org.eclipse.emf.cdo.session.CDOSession.Options;
import org.eclipse.emf.cdo.session.CDOSessionInvalidationEvent;

import java.util.Map;
import java.util.Set;

/**
 * A {@link CDOViewEvent view event} fired when passive updates (commit notifications) are being received from a remote
 * repository. {@link Options#setPassiveUpdateEnabled(boolean) Passive updates} must be enabled for this event to be
 * fired.
 *
 * @see CDOSessionInvalidationEvent
 * @see CDOInvalidationNotification
 * @see CDOAdapterPolicy
 * @author Simon McDuff
 * @since 2.0
 * @noextend This interface is not intended to be extended by clients.
 * @noimplement This interface is not intended to be implemented by clients.
 */
public interface CDOViewInvalidationEvent extends CDOViewEvent, CDOTimeProvider
{
  /**
   * Returns the time stamp of the server transaction if this event was sent as a result of a successfully committed
   * transaction or <code>LOCAL_ROLLBACK</code> if this event was sent due to a local rollback.
   */
  public long getTimeStamp();

  /**
   * Returns a set of the {@link CDOObject CDOObjects} of the modified objects.
   */
  public Set<CDOObject> getDirtyObjects();

  /**
   * Returns a map with the {@link CDORevisionDelta change deltas} per object. Note that this map may contain object/
   * <code>null</code> mappings, if the delta is not available!
   *
   * @since 4.0
   */
  public Map<CDOObject, CDORevisionDelta> getRevisionDeltas();

  /**
   * Returns a set of the {@link CDOObject CDOObjects} of the removed objects.
   */
  public Set<CDOObject> getDetachedObjects();
}